.main {
    size: A4 portrait;
    .header {
        .paper-title {
            font-size: 40px;
        }
        .text {
            width: calc(50% + 40px);
        }
        .desc {
            font-size: 40px;
        }
        .difficulty {
            height: 21px;
            position: relative;
            line-height: 21px;
            font-size: 40px;
            .icon {
                height: 21px;
                line-height: 21px;
                margin-top: 0;
                width: 20px;
                height: 20px;
            }
        }
    }
}